Mihow and Costi at http://www.sxc.hu for Steelscape and Over the City images.

Fa-Stock aka Fay or Fazie at Deviant Art for the gorgeous frog picture, and I have placed a thanks and a link to this image on her DA site as requested.
http://fa-stock.deviantart.com/art/Frog-3050-110414160 (5 years and 1533 days ago)